INT 2F U - INTMON v2.1 - INSTALLATION CHECK                                     
	AX = 9E00h
Return: AX = FFFFh if installed
	    BX = segment of resident code
Program: INTMON is a shareware interactive interrupt monitoring TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user.  The name comes from the name of the DOS function call used to remain in memory after termination. for 386
	  and higher machines by Celso Minnitti, JrIBM PCjr.
SeeAlso: AX=9E01h,AX=9E02h,AX=9E03h,AX=9F00h